Dyfyniad APA

Sivertsen, L., & Sivertsen, T. (2008). Generation green: The ultimate teen guide to living an eco-friendly life. New York: Simon Pulse.

Dyfyniad Arddull Chicago

Sivertsen, Linda, και Tosh Sivertsen. Generation Green: The Ultimate Teen Guide to Living an Eco-friendly Life. New York: Simon Pulse, 2008.

Dyfyniad MLA

Sivertsen, Linda, και Tosh Sivertsen. Generation Green: The Ultimate Teen Guide to Living an Eco-friendly Life. New York: Simon Pulse, 2008.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.